OK, now that we have all the information it sounds like the pneumatic locking system has failed completely. There is a thread about this with fuses to check etc, so you may want to check it out, If you just want to get the trunk open at this point, go in through the left side. You will need to push the pawl towards the right to engage the trunk lever. It doesn't take much force at all, and it is the normal locking mechanism. When it's disengaged you get the floppy handle and the trunk will not open. Once engaged, the trunk will open.

Best of luck.